2017's IT was & is the highest grossing Horror movie.
Its final box office take was $327,481,748 w/ a worldwide take of $700,381,748
According to Box Office Mojo, the top grossing "Horror R-Rated" category, as of February 2018, are
IT w/ $327,481,748
The Exorcist w/ $232,906,145
Get Out w/ $175,484,140
The Blair Witch Project w/ $140,539,099
The Conjuring w/ $137,400,141 to round out the top five.
Domestically, The Passion of the Christ (2003) , is the highest grossing R-rated film. Internationally, The Matrix Reloaded (2004) is the highest grossing R-rated film. These rankings are not adjusted for inflation.
Adjusted for inflation, the highest grossing R-rated film, domestically, is The Exorcist (1973).
See Sources and related links for additional information.
Back to the Future
Twenty 20
Not accounting for inflation, yes. It is the highest-grossing animated film of all time and rates #6 in the list of the highest-grossing film of all time
amelie
Harry Potter and The Half-Blood Prince
Iron Man 3 is the highest grossing film for 2013.
Finding Dory is currently [in 2017] Pixar's highest grossing film w/ $486,295,561
Endhiran
Avatar
Harry Potter is the highest grossing film series ever. The Twilight Saga is the sixteen highest grossing film series. The Chronicles of Narnia is the eighteenth highest grossing film series.
I think Avatar.
Toy story
Titanic
The Departed
Back to the Future
1. ET
the sound of music